Patents
Patents for B01J 20 - Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof (48,616)
11/1981
11/24/1981CA1112846A1 Poly (silicic acid) and a process of making the same
11/18/1981EP0040124A1 Hydrophilic copolymers based on N-tris(hydroxy-methyl)methylacryl amide, process for their preparation, aqueous gel of these copolymers and their use as ion exchangers
11/18/1981EP0040016A1 Zeolite Nu-3
11/17/1981US4301027 Colorimetric analysis
11/17/1981CA1112634A1 Separating materials for thin layer chromatography and their preparation
11/12/1981WO1981003167A1 Mesoporous carbons
11/11/1981EP0039522A2 Process for the preparation of a liquid-absorbing and shock-absorbing material
11/10/1981US4300015 Catalysts for parafin-olefin alkylation
11/10/1981CA1112172A1 Antidote consisting of particles of activated carbon
11/10/1981CA1112161A1 Immunoassay using magnetically attractable particles
11/04/1981EP0039172A1 A process for removing CO from a gas stream
11/03/1981US4298723 Ion exchangers, catalysts, sorbents, controlled release, intercalation compounds
11/03/1981US4298501 Separation of monosaccharides from disaccharides
11/03/1981US4298500 Rapid separation of multi-sited biopolymers
11/03/1981US4298497 Composition for preventing cold end corrosion in boilers
11/03/1981US4298472 Passing solution of polar organic compound through the silica bed under pressure; adsorption
10/1981
10/30/1981EP0037810A4 Aromatized soluble coffee.
10/28/1981EP0038705A2 Process for the production of a low density activated alumina formed product
10/28/1981EP0038571A2 Water-resistant reversed-phase thin layer chromatographic plate and a method for its preparation
10/27/1981US4297335 Fluorination of an aluminum silicate by a gaseous mixture of fluorine, oxygen, and an inert gas; hydrophobic
10/27/1981US4297233 Deodorizing composition for ash trays
10/27/1981US4297220 Macroreticulated copolymer adsorption process
10/27/1981CA1111595A1 Cross-linked, water-swellable polymer microgels
10/27/1981CA1111415A1 Chromatographie separation and purification of proteins
10/21/1981EP0038224A2 Composite material for ozone removal
10/21/1981EP0037944A2 Method and agent for the adsorption and catalytic decomposition of stinking gases of intestines
10/21/1981EP0037810A1 Aromatized soluble coffee.
10/21/1981EP0015260B1 Complexes of manganese with substituted phosphines, their preparation and use for sorption of gases and adducts thus obtained
10/20/1981US4296078 Separation of hydrogen chloride from gaseous mixtures
10/20/1981US4296000 Silica
10/20/1981US4295994 Cellulose acetate butyrate bound zeolite adsorbents
10/20/1981US4295968 Silanized inorganic oxide absorbent
10/20/1981CA1111014A1 Filter block and method of making the same
10/20/1981CA1110833A1 Regeneration apparatus for producing sulfur dioxide
10/20/1981CA1110824A1 Silicatic complexing agent for alkaline earth ions and method of preparing same
10/14/1981EP0037655A2 A phenolic chelate resin, a process for producing the same, and a method of recovering a heavy metal ion with the same
10/14/1981EP0037537A1 Process for the manufacture of highly specific active char
10/14/1981EP0037520A2 Use of phenol-aldehyde resins for the removal of substances from liquids, especially of urinous substances
10/14/1981EP0037394A1 A device for removal of substances from a liquid.
10/07/1981EP0037321A1 Process for making adsorbent materials for analyzing or treating liquids and materials so obtained
10/07/1981EP0037018A2 Process for the preparation of very fine zeolitic sodium aluminium silicates
10/06/1981US4293317 Fission product adsorbent impregnated with quinuclidene
10/06/1981CA1110223A1 Partially pyrolyzed polymer emulsion coagulate
10/06/1981CA1110187A1 Protein immobilizer
10/06/1981CA1110041A1 Process for preparing amorphous particulate poly (alumino-silicate)
10/06/1981CA1110040A1 Process of preparing particulate poly (alumino- silicate)
10/01/1981WO1981002807A1 Silica removal process and alumina composition used therein
09/1981
09/30/1981EP0036463A2 Process for preparing an alkali acrylate polymer having high salt solution-absorbency and polymer produced thereby
09/29/1981US4292408 Mass and a method of preparing same of living cells of organisms for adsorbing metal ions from a physiological solution, and employment of the mass for enriching metals
09/29/1981US4292265 Poisoning the metal hydride dispersed with a metal matrix to ensure stability
09/29/1981US4292176 Use of activated carbon in waste water treating process
09/29/1981CA1109709A1 Absorbent papers
09/29/1981CA1109642A1 High pore volume alumina powders
09/29/1981CA1109606A1 Method of absorption of hydro-carbons or organic solvents
09/17/1981WO1981002530A1 Textile filter for gas flow,comprising organic fibers grafted with active monomers
09/16/1981EP0035949A1 Textile filter for flows of gas comprising organic fibres grafted with active monomers
09/16/1981EP0035575A1 Blood serum-separating agent
09/15/1981US4289531 From industrial waste water by treatment with feathers, hair, hoof meal or horn meal
09/09/1981EP0035256A1 Getter body and process for its manufacture
09/08/1981CA1108515A1 Resin and method for removing antimicrobials from body fluids
09/02/1981EP0034889A1 Porous aluminas and their preparation
09/02/1981EP0034695A1 Process for producing zeolite A
09/02/1981EP0034694A1 Process for producing crystalline zeolite A
09/01/1981US4286972 Vapor phase adsorption using nonstoichiometric carbon-sulfur compounds
09/01/1981CA1108108A1 Adsorbent for artificial organs
09/01/1981CA1107911A1 Method for preparation of expanded perlite structures
08/1981
08/27/1981EP0012751A4 Preparation of trichloro-s-triazine activated supports.
08/26/1981EP0034337A2 A process for the optical resolution of a racemic mixture
08/26/1981EP0034328A1 Process for producing shaped bodies based on silicon carbide
08/26/1981EP0034326A1 Chiral polysiloxanes, process for their preparation and their use
08/26/1981EP0034305A2 Process for working-up and recycling filtration residues
08/25/1981US4285832 Solvent extraction of particles formed by mixing the clay, a binder, water, and a plastic clay and shaping
08/25/1981US4285811 Purification of formaldehyde by separation
08/20/1981WO1981002256A1 Impregnated charcoal for removing radioactive molecules from gases
08/19/1981EP0034037A1 Method of preparation of material for adsorbing iodine
08/18/1981US4284726 Composite anion adsorbent and method for making same
08/18/1981CA1107128A1 Treatment of coffee extracts
08/12/1981EP0033424A1 Removal of sulfur and/or sulfur compound from industrial process streams using metal alumina spinel
08/11/1981US4283587 From a hydrocarbon feed using ion exchanged zeolite which has been treated with an alkyl amine hydrochloride
08/11/1981US4283380 Absorption by alumina to form sulfates, reducing to elemental sulfur
08/05/1981EP0033235A2 Process for making absorbent articles
08/04/1981US4282162 Recovery of fluorinated emulsifying acids from basic anion exchangers
08/04/1981US4282092 Titania-alumina
08/04/1981US4282015 Method of and apparatus for regenerating an adsorption agent
08/04/1981US4282001 Compositions and method for reducing turbidity in samples
08/04/1981CA1106346A1 Pillared interlayered clay materials useful as catalysts and sorbents
08/04/1981CA1106308A1 Process for removal of alkyl lead impurities from liquid hydrocarbons
08/04/1981CA1106151A1 Desulfurization process for so.sub.2 containing gas
07/1981
07/29/1981EP0032803A1 Fission product adsorbent impregnated with quinuclidine
07/29/1981EP0032523A2 Process and device for recovering and reutilizing heat from hot gases, especially from the exhaust gases of metallurgical processes and the use of this process
07/28/1981US4281233 Hydrophilic macroporous three dimensional copolymers of hydroxyalkyl acrylates or methacrylates with crosslinking agents and the method of their manufacturing
07/28/1981US4281195 In the presence of a catalyst
07/28/1981US4280925 Ion exchanging with zinc sulfide
07/28/1981US4280923 Inorganic solids or crosslinked polymer gels as core chemically bonded to a hydrophilic alpha-olefin polymer or a polyether
07/22/1981EP0032263A1 Process for the regeneration of a sorbent
07/21/1981US4279874 Cu(1) Acetylacetonate complexes for CO separation
07/21/1981US4279756 Water clarification
07/14/1981US4278696 Deacidifying coffee extract with chitosan
07/14/1981CA1104995A1 Adsorbent for ethylene and process for preparation thereof
07/14/1981CA1104993A1 Method of absorbing liquids using a preparation of expanded silicate-based aggregates